The program "Simple Scan" is so simple, that it is not even pre-scanning and scanning of the selected area. I propose to change it to a full-featured "XSane" for official iso image of the Salix OS Xfce.
In addition, the "XSane" can be used as a plug-in to "GIMP":
I fully agree. Despite the minor problems and the limited features simple-scan is highly intuitive. Simple-Scan does pretty much everything I (and probably other users which don't heavily use scanners) need and if I need to adjust the image I can still do that with gimp.
If somebody needs or prefers XSane they can install it from the repository, but it's imho completely unsuitable for general use (by non-xsane-experts).
I actually prefer Xsane as well, and finds simple scan not very intuitive. But that could be quite subjective & simply a matter of habit.
I don't mind what is set as default, I (like most folks) usually have a set of preferred application which I usually fetch with Gslapt after a new
install.
What really matters is where you are going, not where you come from.